Bug 219967 - REGRESSION: [ Big Sur Mac WK2 ] imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/mime-types/canPlayType.html is failing
Summary: REGRESSION: [ Big Sur Mac WK2 ] imported/w3c/web-platform-tests/html/semantic...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: New Bugs (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2020-12-16 16:38 PST by Truitt Savell
Modified: 2020-12-17 06:58 PST (History)
3 users (show)

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Description Truitt Savell 2020-12-16 16:38:56 PST 
imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/mime-types/canPlayType.html

this began failing with r270890

history:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fsemantics%2Fembedded-content%2Fmedia-elements%2Fmime-types%2FcanPlayType.html

Diff:
--- /Volumes/Data/slave/bigsur-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/mime-types/canPlayType-expected.txt
+++ /Volumes/Data/slave/bigsur-release-tests-wk2/build/layout-test-results/imported/w3c/web-platform-tests/html/semantics/embedded-content/media-elements/mime-types/canPlayType-actual.txt
@@ -48,12 +48,12 @@
 PASS video/ogg codecs order
 PASS video/ogg with bogus codec
 PASS video/ogg with and without codecs
-PASS video/webm (optional)
+FAIL video/webm (optional) assert_equals: video/webm expected "maybe" but got ""
 FAIL video/webm; codecs="opus" (optional) assert_equals: video/webm; codecs="opus" expected "probably" but got ""
 FAIL video/webm; codecs="vorbis" (optional) assert_equals: video/webm; codecs="vorbis" expected "probably" but got ""
-PASS video/webm; codecs="vp8" (optional)
+FAIL video/webm; codecs="vp8" (optional) assert_equals: video/webm; codecs="vp8" expected "probably" but got ""
 FAIL video/webm; codecs="vp8.0" (optional) assert_equals: video/webm; codecs="vp8.0" expected "probably" but got ""
-PASS video/webm; codecs="vp9" (optional)
+FAIL video/webm; codecs="vp9" (optional) assert_equals: video/webm; codecs="vp9" expected "probably" but got ""
 FAIL video/webm; codecs="vp9.0" (optional) assert_equals: video/webm; codecs="vp9.0" expected "probably" but got ""
 PASS video/webm codecs subset
 PASS video/webm codecs order
Comment 1 Radar WebKit Bug Importer 2020-12-16 16:39:28 PST 
<rdar://problem/72405068>
Comment 2 Andy Estes 2020-12-17 06:58:51 PST 
https://trac.webkit.org/r270934